1343302231 has 4 divisors (see below), whose sum is σ = 1345391992. Its totient is φ = 1341212472.

The previous prime is 1343302211. The next prime is 1343302267. The reversal of 1343302231 is 1322033431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1343302231 - 2¹¹ = 1343300183 is a prime.

It is a super-2 number, since 2×1343302231² = 3608921767619154722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343302201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043916 + ... + 1045201.

It is an arithmetic number, because the mean of its divisors is an integer number (336347998).

Almost surely, 2^1343302231 is an apocalyptic number.

1343302231 is a deficient number, since it is larger than the sum of its proper divisors (2089761).

1343302231 is an equidigital number, since it uses as much as digits as its factorization.

1343302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089760.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1343302231 is about 36651.0877191933. The cubic root of 1343302231 is about 1103.3786561663.

Adding to 1343302231 its reverse (1322033431), we get a palindrome (2665335662).

The spelling of 1343302231 in words is "one billion, three hundred forty-three million, three hundred two thousand, two hundred thirty-one".